William "Bill" James Tinnock (5 April 1930) is a former New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

 rower

Rowing (sport)

Rowing is a sport in which athletes race against each other on rivers, on lakes or on the ocean, depending upon the type of race and the discipline. The boats are propelled by the reaction forces on the oar blades as they are pushed against the water...

.

At the 1950 British Empire Games

1950 British Empire Games

The 1950 British Empire Games was the fourth edition of what is now called the Commonwealth Games. It was held in Auckland, New Zealand between the 4th and 11th of February 1950, after a 12-year gap from the 3rd edition of the games...

 he won the silver medal as part of the men's eight alongside crew members Donald Adam

Donald Adam

Donald Adam is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Kerry Ashby, Murray Ashby, Bruce Culpan, Thomas Engel, Graham Jarratt, Don Rowlands, Edwin Smith and Bill Tinnock.-References:*...

, Kerry Ashby

Kerry Ashby

Kerry Ayling Ashby is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Murray Ashby, Bruce Culpan, Thomas Engel, Graham Jarratt, Don Rowlands, Edwin Smith and Bill Tinnock...

, Murray Ashby

Murray Ashby

Murray Ashby is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Bruce Culpan, Thomas Engel, Graham Jarratt, Don Rowlands, Edwin Smith and Bill Tinnock.-References:*...

, Bruce Culpan

Bruce Culpan

Bruce Ewen Culpan is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Murray Ashby, Thomas Engel, Graham Jarratt, Don Rowlands, Edwin Smith and Bill Tinnock...

, Thomas Engel

Thomas Engel

Thomas Engel is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Murray Ashby, Bruce Culpan, Graham Jarratt, Don Rowlands, Edwin Smith and Bill Tinnock.-References:...

, Graham Jarratt

Graham Jarratt

Graham Jarratt is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Murray Ashby, Bruce Culpan, Thomas Engel, Don Rowlands, Edwin Smith and Bill Tinnock.-References:...

, Don Rowlands

Don Rowlands

Donald David Rowlands is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Murray Ashby, Bruce Culpan, Thomas Engel, Graham Jarratt, Edwin Smith and Bill Tinnock...

 and Edwin Smith

Edwin Smith (rower)

Edwin Smith is a former New Zealand rower.At the 1950 British Empire Games he won the silver medal as part of the men's eight alongside crew members Donald Adam, Kerry Ashby, Murray Ashby, Bruce Culpan, Thomas Engel, Graham Jarratt, Don Rowlands and Bill Tinnock.-References:...

. At the next British Empire and Commonwealth Games

1954 British Empire and Commonwealth Games

The 1954 British Empire and Commonwealth Games were held in Vancouver, in the province of British Columbia in Canada, from 30 July-7 August 1954. These were the first games since the name change from British Empire Games took effect in 1952....

 in Vancouver, he won another silver medal in the men's coxed four.

At the 1952 Summer Olympics

1952 Summer Olympics

The 1952 Summer Olympics, officially known as the Games of the XV Olympiad, were an international multi-sport event held in Helsinki, Finland in 1952. Helsinki had been earlier given the 1940 Summer Olympics, which were cancelled due to World War II...

he competed as part of the men's coxed four without progressing through to the finals.